VCS: Fix translation issues

Change-Id: I3d85a3fc9d34144ca30ef1e37b22bfe7874b8e64
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/git/remotedialog.cpp

@@ -74,7 +74,7 @@ public:
 
             if (m_remoteNames.contains(input)) {
                 if (errorMessage)
-                    *errorMessage = tr("A remote with the name \"%1\" already exists.").arg(input);
+                    *errorMessage = RemoteDialog::tr("A remote with the name \"%1\" already exists.").arg(input);
                 return false;
             }
 
@@ -91,7 +91,7 @@ public:
 
             const GitRemote r(edit->text());
             if (!r.isValid && errorMessage)
-                *errorMessage = tr("The URL may not be valid.");
+                *errorMessage = RemoteDialog::tr("The URL may not be valid.");
 
             return r.isValid;
         });

src/plugins/vcsbase/vcsbasediffeditorcontroller.cpp

@@ -174,7 +174,7 @@ void VcsBaseDiffEditorControllerPrivate::processDiff(const QString &patch)
     m_processWatcher->setFuture(Utils::runAsync(&readPatch, patch));
 
     ProgressManager::addTask(m_processWatcher->future(),
-                             q->tr("Processing diff"), "DiffEditor");
+                             VcsBaseDiffEditorController::tr("Processing diff"), "DiffEditor");
 }
 
 void VcsBaseDiffEditorControllerPrivate::cancelReload()